...assing the right flank of Lee's army, and to proceed to Richmond by as direct routes as possible, while, as diversions, and to cover his movement, Custer, with 2000 cavalry, was to make a raid beyond Gordonsville , and the Sixth Corps and Birney's division of the Third were to move in support of Custer to Madison Court House on Robertson's River. No effort was made to conceal this movement, as it was intende...